JP2008141916A - Motor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a motor having improved production yield by surely and smoothly executing assembling work of a control board on a board case. <P>SOLUTION: In the motor, a first supporting projection 56 is provided on a position distant from an internal opening portion 55a of a connector housing portion 54 rather than a second supporting protrusion 58c, in a state where the control board 53 is mounted on a case body 51. With this configuration, the control board 53 having a power feed connector 58 provided thereon is inclined so that the power feed connector 58 faces downward, and the power feed connector 58 can be housed in the connector housing portion 54 and the control board 53 can be mounted on the case body 51 while confirming it through an opening of the case body 51. Thus, the assembling work can be surely and smoothly executed and the production yield in the assembling work of a power window motor 10 can be improved. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a motor device including a substrate case that houses a control substrate that controls rotation of an armature.

  2. Description of the Related Art Conventionally, as a motor device including a substrate case that houses a control substrate that controls the rotation of an armature, for example, there is an in-vehicle actuator mounted on a vehicle such as an automobile. Among such in-vehicle actuators, there are power window motors and electric sunroof motors that are mounted inside the doors of vehicles, the inside of roofs, etc., and these are mounted in a relatively narrow space. It has become so.

  Such in-vehicle actuators such as power window motors and electric sunroof motors need to drive the door glass, which has a relatively heavy weight, and therefore have a speed reduction mechanism including a worm and a worm wheel. A large output torque can be obtained despite its small size. The armature is rotationally controlled by a control board housed in a board case provided integrally with the motor body, and for example, the object is prevented from being pinched according to the detected rotational torque. .

As a vehicle-mounted actuator having a control board, for example, a motor device described in Patent Document 1 is known. The motor device described in Patent Document 1 has a connector housing portion on one side surface of the board case, and the control board to which the connector is fixed is placed on the side opposite to the one side face of the board case. By inserting from the other side surface, the connector is fitted and accommodated in the connector accommodating portion.
JP 2004-147377 A (FIG. 4)

  However, according to the motor device described in Patent Document 1 described above, not only is the insertion distance of the control board into the board case until the connector is fitted into the connector housing portion and accommodated in a predetermined position, but the connector is long. It is not possible to confirm from the outside of the board case whether the control board is fitted into the connector housing portion, that is, whether the control board is properly inserted into the board case. Therefore, the assembly work of the control board to the board case cannot be performed smoothly, and a problem that the yield deteriorates may occur.

  An object of the present invention is to provide a motor device that can reliably and smoothly assemble a control board with respect to a substrate case and improve the yield.

  A motor device according to the present invention includes a motor body in which an armature is rotatably provided, a control board that controls the rotation of the armature, and a terminal that is electrically connected to the control board, and protrudes in a lateral direction of the control board. A motor device having a connector and a bottomed substrate case that accommodates the control substrate, the substrate case opening in a direction parallel to a bottom surface of the substrate case on a side wall that forms the substrate case. A connector housing portion that accommodates the connector; and a first support protrusion that is formed on an opening side of the substrate case that is separated from a bottom surface side of the substrate case on an inner wall of the connector housing portion, and supports the connector. The connector includes a second support protrusion formed on the bottom surface side of the substrate case and supported by the inner wall of the connector housing portion. , In the mounted state of the circuit board case of the control board, the first support protrusion, characterized in that provided in a position away from the inner opening of the connector accommodation part than the second support protrusion.

  In the motor device of the present invention, the end of the terminal is provided to face the outer opening of the connector housing, and the connection direction of the external connector connected to the connector is the opening direction of the connector housing. It is characterized by.

  According to the present invention, the first support protrusion for supporting the connector on the opening side of the board case away from the bottom side of the board case on the inner wall of the connector housing part, and the inner wall of the connector housing part on the bottom side of the board case in the connector The second support protrusion is supported, and the first support protrusion is provided at a position farther from the inner opening of the connector housing portion than the second support protrusion when the control board is mounted on the board case. The control board provided with the connector protruding in the side surface direction of the board is inclined so that the connector side faces the connector housing part, and the connector is housed in the connector housing part from the opening side of the board case, and the control board is mounted on the board case be able to. Therefore, since the control board can be attached to the board case from an oblique direction while checking the connector and the connector housing portion from the opening side of the board case, the assembly work of the control board to the board case can be performed reliably and smoothly. . When the control board is mounted on the board case, the connector is supported by the first support protrusion and the second support protrusion, so that rattling of the connector with respect to the connector housing portion can be suppressed.

  According to the present invention, the end of the terminal is provided so as to face the outer opening of the connector housing, and the connection direction of the external connector connected to the connector is the opening direction of the connector housing. An external connector can be connected to the connector from a direction orthogonal to the direction. Therefore, an increase in the thickness dimension of the motor device in the connected state of the external connector to the motor device can be suppressed.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  1 is a partial cross-sectional view of the power window motor, FIG. 2 is an arrow view of the substrate case seen from the direction of arrow A in FIG. 1, FIG. 3 is a front view showing the case body and the control board, and FIG. FIG. 5 is a partially enlarged sectional view taken along line BB in FIG. 3, FIG. 6 is a perspective view of the insert molding terminal, and FIGS. 7 (a) and 7 (b). , (C) are explanatory diagrams for explaining the procedure for mounting the control board to the case body.

  FIG. 1 shows a power window motor as a motor device according to the present invention, and this power window motor 10 constitutes a power window device provided inside a door of an automobile (not shown). The power window motor 10 has a thin shape so that it can be accommodated in a narrow space inside the door of an automobile, and it is possible to improve the layout of the power window motor 10 by reducing the thickness. Become.

  As shown in FIG. 1, the power window motor 10 includes a motor main body 20 and a substrate case 50 connected to the motor main body 20. The motor body 20 is disposed so as to oppose the yoke 21 formed by press-forming a thin steel plate made of a magnetic material into a bottomed stepped cylinder and the inner side of the body cylinder portion 21a of the yoke 21 in the radial direction. A pair of magnets (permanent magnets) 22 and a rotor (armature) 23 that is rotatably provided inside each magnet 22 via a predetermined gap (air gap).

  A motor shaft (armature) 24 is provided through the central shaft of the rotor 23, and the base end side (right side in the figure) of the motor shaft 24 is the base end side attached to the stepped bottom 21 b of the yoke 21. The bearing 25 is rotatably supported.

  A steel ball 26 is rotatably mounted on the base end side of the motor shaft 24, and this steel ball 26 is mounted on one side surface (left side in the figure) of the thrust plate 27 whose outer peripheral side is supported by the base end side bearing 25. Surface). Thus, the rotational resistance of the motor shaft 24 is reduced by bringing the steel ball 26 and the thrust plate 27 into point contact with each other.

  A substantially cylindrical elastic member 28 made of a synthetic resin such as hard rubber is provided on the other side surface (the right side surface in the figure) of the thrust plate 27. The motor shaft is elastically deformed in the axial direction of the elastic member 28. The rattling of the motor shaft 24 in the axial direction is prevented while allowing a predetermined amount of displacement in the 24 axial direction.

  A commutator 29 that is electrically connected to a coil 23 a wound around the rotor 23 is provided adjacent to the front end side (left side in the figure) of the rotor 23 in the motor shaft 24. The brush 31 provided in the gear case 30 constituting the motor main body 20 is in sliding contact with a predetermined elastic force.

  A sensor magnet 32 is fixed to the front end side of the commutator 29 of the motor shaft 24, and this sensor magnet 32 is directed toward the circumferential direction of the motor shaft 24, N pole, S pole, N pole, S pole. Are formed in a circular shape by arranging substantially fan-shaped magnets alternately. A worm 33 is integrally formed on the tip side of the sensor magnet 32 of the motor shaft 24, and a cylindrical portion 34 is integrally provided on the tip side of the worm 33.

  The gear case 30 constitutes the motor body 20 together with the yoke 21, and a bottomed cylindrical worm accommodating portion 35 is formed inside the gear case 30. A substantially annular elastic member 36 made of a synthetic resin such as hard rubber is press-fitted and attached to the bottom (left side in FIG. 1) of the worm housing portion 35. On the right side of the elastic member 36 in the drawing, For example, a substantially disc-shaped friction material 37 made of a heat-resistant resin such as polyimide (PI) is attached by an adhesive means such as an adhesive.

  On the right side of the friction material 37 in the figure, the cylindrical portion 34 of the motor shaft 24 is abutted from the axial direction, and the rotation of the motor shaft 24 is stopped and a large load is applied to the worm wheel 40 from the outside. In the acted state, the cylindrical portion 34 is pressed against the friction material 37 with a strong force. Thereby, a frictional force is generated between the cylindrical portion 34 and the friction material 37, and the frictional force prevents the door glass (not shown) from being forcibly opened from the outside.

  A first bearing 38 is press-fitted and fixed to the bottom side of the worm housing portion 35, and the first bearing 38 supports the cylindrical portion 34 of the motor shaft 24 so as to be rotatable without substantial resistance. ing. Further, a second bearing 39 is press-fitted and fixed to the opening side of the worm accommodating portion 35, and the second bearing 39 supports the motor shaft 24 so as to be rotatable without substantial resistance. Yes. In this way, the motor shaft 24 is rotatably supported by the first and second bearings 38 and 39, thereby preventing the “runout” of the worm 33 disposed therebetween.

  The gear case 30 houses a worm wheel 40 that meshes with a worm 33 formed integrally with the motor shaft 24, and an output shaft (not shown) integrally fixed to the central portion of the worm wheel 40. The distal end side extends through the gear case 30 to the outside. A pinion gear (not shown) is attached to the distal end side of the output shaft, and a link mechanism or the like constituting a power window device (not shown) is driven by the rotational drive of the pinion gear. The door glass provided so as to be movable up and down is moved up and down.

  Here, the worm 33 and the worm wheel 40 constitute a speed reduction mechanism. The speed reduction mechanism decelerates the rotational speed of the output shaft of the worm wheel 40 with respect to the rotational speed of the worm 33, and reduces its rotational torque. Therefore, a relatively large output can be obtained with a relatively small motor.

  A brush holder 42 provided with a brush 31 is provided between the gear case 30 and the yoke 21 on the yoke 21 side of the gear case 30, that is, in the vicinity of the commutator 29 provided on the motor shaft 24. One end side of a plurality of motor side terminals 43 is fixed to the brush holder 42. Further, the other end side of each motor side terminal 43 is guided and fixed by insert molding or the like inside the motor side connector 44 provided integrally with the gear case 30.

  A sensor substrate 45 is provided at a position near the brush holder 42 of the gear case 30, and the sensor substrate 45 is formed in a rectangular shape along the axial direction of the motor shaft 24. One end side (right side in the figure) of the sensor substrate 45 extends to face the sensor magnet 32 fixed to the motor shaft 24, and the rotational state of the motor shaft 24 is detected on one end side of the sensor substrate 45. A pair of Hall elements 46 and 46 (only one is shown in the figure) are provided as rotation detection sensors. As a result, the pair of Hall elements 46 are arranged at a predetermined position between the sensor substrate 45 and the sensor magnet 32. Further, like the brush holder 42, one end sides of a plurality of motor side terminals 43 insert-molded on the motor side connector 44 are fixed to the sensor substrate 45.

  As shown in FIG. 2, the substrate case 50 includes a case main body 51 and a case cover 52, and a control substrate (circuit substrate) 53 for controlling the rotation of the motor shaft 24 is provided in the substrate case 50. Contained. The case main body 51 and the case cover 52 constituting the substrate case 50 are mounted so as to be in close contact with each other via a seal member S (see FIG. 7C), and a pair of male screws 50a and 50a (see FIG. 1)). This prevents rainwater, dust, and the like from entering the substrate case 50.

  As shown in FIGS. 3 and 4, the case main body 51 is formed in a substantially rectangular bottomed shape. The case main body 51 is formed integrally with the bottom 51a and the bottom 51a, and the bottom 51a. The first side wall 51b, the second side wall 51c, the third side wall 51d, and the fourth side wall 51e extend in the vertical direction (upper side in FIG. 4).

  The first side wall (side wall) 51b that forms the case body 51 opens in a direction parallel to the bottom 51a (left and right in the figure), and a connector housing portion in which a power feeding connector (connector) 58 is housed. 54 is integrally formed in a direction perpendicular to the first side wall 51b. As shown in FIG. 2, the connector housing portion 54 has a substantially rectangular cross section. The connector housing portion 54 extends on the outer peripheral side of the connector housing portion 54 in the direction in which the connector housing portion 54 opens, and is connected to an external connector. Are integrally formed with a plurality of guide projections 54a, 54a,... For guiding the mounting of a vehicle side connector (not shown). Further, a locking claw 54 b that engages with a locking portion (not shown) formed on the vehicle-side connector and prevents the vehicle-side connector from coming off from the power supply connector 58 on the outer peripheral side of the connector housing portion 54. Is formed.

  As shown in FIG. 5, among the inner walls of the connector housing portion 54 in the vertical direction in the figure, the power supply connector 58 is illustrated on the upper inner wall 54 c that forms the opening side of the case body 51 away from the bottom 51 a of the case body 51. A first support protrusion 56 that is supported from the middle-up direction is integrally formed. The first support protrusion 56 is spaced from the inner opening 55a formed inside the case main body 51 in the connector housing 54 by a predetermined dimension L2 from a position away from the inner side of the board case 51. It is formed in the direction opposite to the inner side of the substrate case 51, and comes into contact with the upper wall surface 58 a of the power feeding connector 58 at this position.

  A second side wall 51c forming the case main body 51 is integrally provided on the upper end side of the first side wall 51b in FIG. 3, and the case main body is provided on the second side wall 51c as shown in FIGS. A first convex portion 56 a and a second convex portion 56 b that extend from the bottom 51 a side of the 51 toward the opening side of the case main body 51 and protrude toward the inside of the case main body 51 are formed.

  The first and second convex portions 56a and 56b are formed on the second side wall 51c with predetermined intervals, respectively, and the top portions 57a and 57b (black circle portions in the figure) of the first and second convex portions 56a and 56b are formed. The height h1 from the bottom 51a side of the first convex portion 56a is the bottom 51a side of the second convex portion 56b so that the line segment C connecting the two is at a predetermined angle α with respect to the bottom portion 51a of the case body 51. Is set higher than the height dimension h2 from (h1> h2).

  A third side wall 51d forming the case main body 51 is integrally provided on the lower end side in FIG. 3 of the first side wall 51b, and the third side wall 51d is provided with a broken line in FIGS. A third convex portion 56 c that extends from the bottom 51 a side of the case body 51 toward the opening side of the case body 51 and protrudes toward the inside of the case body 51 is formed.

  As shown by a broken line in FIG. 4, the third convex portion 56 c is provided so as to be positioned between the first convex portion 56 a and the second convex portion 56 b in the left-right direction in the drawing, and the third convex portion The height from the bottom 51a side of the third convex portion 56c so that the top portion 57c (black circle portion in the figure) of 56c is positioned on the line segment C formed by the top portions 57a and 57b of the convex portions 56a and 56b. The dimension h3 is set (h1> h3> h2).

  As shown in FIG. 3, the control board 53 is formed in a substantially similar shape along the inner shape of the case body 51, and the power supply connector 58 to which the vehicle-side connector is connected is connected to the control board 53, The control board 53 is mounted so as to protrude in the side surface direction (left side in the figure). As shown in FIG. 5, a plurality of power supply terminals (terminals) 59, 59... Formed in a substantially L shape are inserted into the power supply connector 58, and these power supply terminals 59, 59. Is penetrated through a plurality of first through holes 53a, 53a (see FIG. 3) formed in the control board 53 and electrically connected to the control board 53 by an adhesive means such as soldering. Thus, the power supply connector 58 is attached to the control board 53 by being fixed.

  The power supply connector 58 has an upper wall surface 58 a and a lower wall surface 58 b, and the upper wall surface 58 a is in contact with the first support protrusion 56 of the connector housing portion 54. A second support protrusion 58 c that contacts the lower inner wall 54 d of the connector housing portion 54 is formed on the lower wall surface 58 b facing the bottom portion 51 a of the case body 51 in the power supply connector 58. As described above, the power supply connector 58 is supported by the first support protrusions 56 and the second support protrusions 58c, thereby preventing the power supply connector 58 from rattling in the connector housing portion 54. ing.

  As shown in FIG. 5, the first support protrusion 56 and the second support protrusion 58c are offset by a predetermined dimension L3 with respect to the direction in which the connector housing portion 54 opens in the mounted state of the control board 53 with respect to the case body 51. The first support protrusion 56 is provided at a position farther from the inner opening 55a side of the connector housing portion 54 than the second support protrusion 58c. As a result, the first support protrusion 56 and the second support protrusion 58c do not get in the way when the control board 53 on which the power supply connector 58 is mounted is mounted from an oblique direction, and can guide the mounting of the power supply connector 58. It can be done.

  On the left side of the power supply connector 58 in the figure, an insertion guide portion 58d that guides the vertical insertion of the vehicle side connector protrudes integrally. Each of the power supply terminals 59, 59,... Of the power supply connector 58 provided facing the outer opening 55b of the connector housing portion 54 is inserted into the power supply connector 58 while the vehicle side connector is guided by the insertion guide portion 58d. The other end 59b is prevented from being broken and the occurrence of poor conduction is suppressed.

  As shown in FIG. 3, the control board 53 is formed with a plurality of second through holes 53b, 53b,.. When the control board 53 is attached to the case body 51, the one end 60b of the case side terminal 60 passes through the second through holes 53b, 53b.

  Here, on the control board 53, in addition to the power supply connector 58, the first through holes 53a, 53a,... And the second through holes 53b, 53b,. A relatively small electrical component (not shown) such as a diode or a resistor is fixed by soldering or the like, and an electrical circuit is formed on the control board 53 by these electrical components.

  As shown in FIG. 3, the outer peripheral edge of the control board 53 is formed with first through first side walls 51c and 51d formed on the second side wall 51d and the third side wall 51d, respectively, when the control board 53 is attached to the case body 51. Three concave portions 53c, 53c,... Are formed so as to surround the three convex portions 56a, 56b, and 56c so as to surround the convex portions 56a, 56b, and 56c, with respect to the respective convex portions 56a, 56b, and 56c. The concave portions 53c, 53c,... Engage with each other to position the control board 53 with respect to the case body 51.

  FIG. 6 shows a plurality (six in this embodiment) of case-side terminals 60 as insert molding terminals to be inserted into the control board 53. These case-side terminals 60 are long plate-like terminals. The member is formed by press molding a plurality of times (three times in the present embodiment) at an angle of approximately 90 °. Each case-side terminal 60 includes a substantially Z-shaped main body portion 60 a inserted into the case main body 51, one end portion 60 b extending from the bottom portion 51 a of the case main body 51 toward the inside of the case main body 51, The other end 60c extends from the first side wall 51b side of the three side walls 51d toward the outside of the case body 51.

  One end portion 60b constituting each case side terminal 60 is formed narrower than the main body portion 60a, and each one end portion 60b penetrates through each of the second through holes 53b, 53b,. Thus, the control board 53 is soldered. Further, the other end portion 60c constituting each case side terminal 60 is suspended on the surface side (right side in the drawing) of the control board 53 as indicated by a broken line in FIG. The control board 53 is guided and fixed inside a case-side connector 61 formed integrally with the case body 51 in the side surface direction.

  In this way, each case-side terminal 60 is formed by bending three times at an angle of approximately 90 °, and each one end 60b is fixed to the second through holes 53b, 53b,. Since the end 60c is fixed to the case-side connector 61 in the direction of the side surface of the control board 53, the power window motor 10 is made thin and the thickness dimension thereof is suppressed to a sufficiently small dimension.

  As shown in FIG. 6, the case-side terminals 60 are arranged at predetermined intervals in the vertical direction and the left-right direction so that they do not come into contact with each other and are short-circuited. The ends 60c are offset with a predetermined dimension L1 with respect to the horizontal direction in the drawing. That is, as shown in FIG. 3, the one end portion 60b is connected to the other end portion 60c from the center portion orthogonal to the opening direction of the connector accommodating portion 54 at the other end portion 60c of each case side terminal 60. Are offset on the opposite side with a predetermined dimension L1. Thereby, each case-side terminal 60 can be fixed to the control board 53 at a position away from the power feeding connector 58 mounted on the control board 53.

  A part of the back surface of the main body portion 60 a of each case-side terminal 60 is exposed (not shown) inside the case main body 51. Thereby, when insert-molding each case side terminal 60 with respect to the case main body 51, the main-body part 60a can be supported by the metal mold | die (not shown) which forms the inner side of the case main body 51. FIG. Therefore, even if the molten resin material flows into the mold at the time of insert molding, the main body portion 60a is prevented from being brought into contact with an adjacent terminal or bent due to the pressure of the resin material.

  Next, the manufacturing method of the power window motor 10 is demonstrated using FIG. In FIG. 7, only the second side wall 51c side is shown, and portions not appearing in FIG. 7 will be described with reference to FIG.

  First, a case body 51 into which each case-side terminal 60 is inserted is prepared and fixed on a work table or the like (not shown) so that the opening side of the case body 51 faces upward in the figure. Further, the control board 53 on which the power supply connector 58 and other electrical components are mounted by soldering is prepared in a separate assembly process.

  Thereafter, as shown in FIG. 7A, the power connector 58 side of the control board 53 is connected to the second and third side walls 51c and 51d of the case body 51 from the opening side of the case body 51 fixed on the work table. It mounts on the formed 1st thru | or 3rd convex parts 56a, 56b, and 56c. Then, the control board 53 is inclined and supported at a predetermined angle (angle α in FIG. 4) with respect to the bottom 51a of the case main body 51 by the convex portions 56a, 56b and 56c, and the power supply connector 58 is connected to the first side wall of the case main body 51. It faces the connector housing portion 54 formed in 51b (first step).

  7A, the power supply connector 58 is guided to the inside of the connector housing portion 54 by sliding the control board 53 on the first to third convex portions 56a, 56b and 56c. Is done. Next, when the control board 53 is slid by a predetermined amount with respect to the case main body 51 and the control board 53 is arranged at a predetermined position in the left-right direction in the figure with respect to the case main body 51, as shown in FIG. The third protrusions 56a, 56b, and 56c are opposed to the recesses 53c, 53c,... Formed in the control board 53, and each end 60b of each case-side terminal 60 inserted in the case body 51 is controlled. It comes to oppose each 2nd through-hole 53b, 53b ... formed in the board | substrate 53 (2nd process).

  Thereafter, as shown by a thick arrow in FIG. 7B, the control board 53 is loosened so as to be parallel to the bottom 51a of the case main body 51 with the left end side of the control board 53 in the figure as an inclination fulcrum. The concave portions 53c, 53c,... Of the control board 53 and the first to third convex portions 56a, 56b, 56c are engaged with each other, and the second through holes 53b, 53b,. The one end portion 60b penetrates and the control board 53 is positioned with respect to the case body 51 as shown in FIG. At this time, as shown in FIG. 7B, the upper wall surface 58 a of the power supply connector 58 is in sliding contact with the first support protrusion 56 formed on the upper inner wall 54 c of the connector housing portion 54 and is formed on the power supply connector 58. The second support protrusion 58c is in sliding contact with the lower inner wall 54d of the connector housing portion 54, and the power supply connector 58 is guided toward the inside of the connector housing portion 54 (third step).

  Thereafter, as shown in FIG. 7C, the power feeding connector 58 is supported by the first support protrusion 56 and the second support protrusion 58c, and rattling of the power supply connector 58 in the connector housing portion 54 is prevented. Is done.

  Here, at the position away from the power supply connector 58 of the control board 53, the one end portion 60b of each case side terminal 60 is penetrated to each of the second through holes 53b, 53b. Compared to the case where the inclination of 53 is steep, the opening area of each of the second through holes 53b, 53b,... In the orthogonal direction from the bottom 51a of the case body 51 to the control board 53 can be increased. Therefore, each end 60b can be smoothly penetrated into each second through hole 53b, 53b,.

  After positioning the control board 53 with respect to the case body 51 as described above, each end 60b of each case-side terminal 60 is soldered to the control board 53, and the control board 53 is cased by a plurality of male screws (not shown). Fix to the main body 51. Then, as shown in FIG. 7C, a pair of male screws 50a and 50a (see FIG. 1) is mounted on the opening side of the case main body 51 with the seal member S from above and facing the case cover 52. It seals by fastening both by. Thereby, the assembly of the substrate case 50 which comprises the power window motor 10 is completed.

  On the other hand, after magnetizing each magnet 22 (see FIG. 1) provided in the motor body 20 in another process using a magnetized power supply device or the like (not shown), a case-side connector of the completed board case 50 is used. 61 is attached to the motor side connector 44 shown in FIG. Thereby, the substrate case 50 and the motor main body 20 are connected, and the control substrate 53, the brush holder 42, and the sensor substrate 45 are electrically connected, and the assembly of the power window motor 10 is completed. In the present embodiment, the substrate case 50 and the motor main body 20 are separated from each other so that the magnet 22 can be easily magnetized by the magnetized power supply device.

  As described above in detail, according to the power window motor 10 of the present invention, the first support protrusion 56 that supports the upper wall surface 58a of the power feeding connector 58 on the upper inner wall 54c of the connector housing portion 54, and the lower side of the power feeding connector 58. The wall surface 58b has a second support protrusion 58c supported by the lower inner wall 54d of the connector housing portion 54. When the control board 53 is attached to the case body 51, the first support protrusion 56 is replaced with the second support protrusion 58c. Since the power supply connector 58 protrudes in the side surface direction of the control board 53, the power supply connector 58 side faces the connector storage part 54. The power feeding connector 58 is accommodated in the connector accommodating portion 54 from the opening side of the case main body 51 and the control board 53 is It can be mounted to scan the body 51.

  Therefore, the control board 53 can be attached to the case body 51 from an oblique direction while confirming the power feeding connector 58 and the connector housing portion 54 from the opening side of the case body 51. This can be performed reliably and smoothly, and the yield in the assembly work of the power window motor 10 can be improved.

  Further, when the control board 53 is attached to the case main body 51, the power supply connector 58 is supported by the first support protrusion 56 and the second support protrusion 58c, so that rattling of the power supply connector 58 with respect to the connector housing portion 54 is suppressed. be able to.

  Furthermore, according to the power window motor 10 of the present invention, the other end portion 59b of the power feeding terminal 59 is provided so as to face the outer opening 55b of the connector housing portion 54, and the vehicle side connector connected to the power feeding connector 58 is provided. Since the connection direction is the opening direction of the connector housing portion 54, the vehicle-side connector can be connected to the power supply connector 58 from the direction orthogonal to the thickness direction of the power window motor 10. Therefore, an increase in the thickness dimension of the power window motor 10 in the connected state of the vehicle-side connector to the power window motor 10 can be suppressed.

  It goes without saying that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, in the above embodiment, the first convex portion 56a and the second convex portion 56b (two) are formed on the second side wall 51c, while the third convex portion 56c (one) is formed on the third side wall 51d. Although what was formed was shown, this invention is not restricted to this, For example, you may make it form a convex part 2 each in the 2nd side wall 51c and the 3rd side wall 51d. The point is that the number of control boards 53 that can be supported while being inclined with respect to the case main body 51 is sufficient. In this case, a recess is formed on the outer peripheral edge of the control board 53 in accordance with the number of protrusions formed on the second side wall 51c and the third side wall 51d and the location of the protrusions.

  Moreover, in the said embodiment, although what used the power window motor 10 as a motor apparatus was shown, this invention is not limited to this, For example, it can apply also to the motor apparatus used for a sunroof apparatus etc. .

  Further, in the above embodiment, the power supply connector 58 attached to the control board 53 is a male connector. However, the present invention is not limited to this, and the female connector is adapted to the shape of the vehicle side connector. A mold connector may be attached to the control board 53.

  In the above embodiment, the rotation detection sensor is a Hall element that cooperates with the sensor magnet 32 provided on the motor shaft 24. However, the present invention is not limited to this, and the motor shaft 24 is not limited to this. A disk having a slit may be provided, and a light emitting diode and a photosensor may be arranged to face each other so as to sandwich the slit of the disk, thereby detecting the rotation direction and the rotation speed of the motor shaft 24.

It is a fragmentary sectional view of a power window motor. It is an arrow view of the substrate case seen from the arrow A direction of FIG. It is a front view which shows a case main body and a control board. It is sectional drawing which looked at the case main body from the side. It is a partial expanded sectional view which follows the BB line of FIG. It is a perspective view of the terminal for insert molding. (A), (b), (c) is explanatory drawing explaining the mounting procedure of the control board to a case main body.

Explanation of symbols

10 Power window motor (motor unit)
20 Motor body 21 Yoke (Motor body)
21a Body cylinder part 21b Stepped bottom part 22 Magnet 23 Rotor (armature)
23a Coil 24 Motor shaft (armature)
25 Base end side bearing 26 Steel ball 27 Thrust plate 28 Elastic member 29 Commutator 30 Gear case (motor body)
DESCRIPTION OF SYMBOLS 31 Brush 32 Sensor magnet 33 Worm 34 Cylindrical part 35 Worm accommodating part 36 Elastic member 37 Friction material 38 1st bearing 39 2nd bearing 40 Worm wheel 42 Brush holder 43 Motor side terminal 44 Motor side connector 45 Sensor board 46 Hall element 50 Substrate case 50a Male screw 51 Case body (Substrate case)
51a Bottom (case body)
51b First side wall 51c Second side wall 51d Third side wall 51e Fourth side wall 52 Case cover (substrate case)
53 Control board 53a First through hole 53b Second through hole 53c Recess 54 Connector housing portion 54a Guide projection 54b Locking claw 54c Upper inner wall (inner wall)
54d Lower inner wall (inner wall)
55a Inner opening 55b Outer opening 56 First support protrusion 56a First convex part 56b Second convex part 56c Third convex part 57a, 57b, 57c Top part 58 Power supply connector (connector)
58a Upper wall surface 58b Lower wall surface 58c Second support protrusion 58d Insertion guide part 59 Power supply terminal 59a One end part 59b Other end part 60 Case side terminal 60a Body part 60b One end part 60c Other end part 61 Case side connector S Seal member

Claims (2)

A motor body in which an armature is rotatably provided, a control board for controlling the rotation of the armature, a connector provided with a terminal electrically connected to the control board, and protruding in a lateral direction of the control board, and the control board A motor device having a bottomed substrate case for receiving,
The board case is provided in a side wall forming the board case so as to open in a direction parallel to the bottom surface of the board case, and a connector housing part for housing the connector, and the board case on the inner wall of the connector housing part A first support protrusion that is formed on the opening side of the substrate case away from the bottom surface side of the substrate and supports the connector;
The connector includes a second support protrusion formed on the bottom surface side of the substrate case and supported by the inner wall of the connector housing portion,
In the mounting state of the control board with respect to the board case, the motor device is characterized in that the first support protrusion is provided at a position farther from the inner opening of the connector housing part than the second support protrusion.   2. The motor device according to claim 1, wherein an end portion of the terminal is provided to face an outer opening portion of the connector housing portion, and a connection direction of an external connector connected to the connector is defined as an opening direction of the connector housing portion. The motor apparatus characterized by performing.

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